Home / 7,208.06-10,812.12-2,013.92

Finding the Fourth Proportional to 7,208.06, 10,812.12 and 2,013.92

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Solution

The fourth proportional to 7,208.06, 10,812.12 and 2,013.92 is: 3,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.06 : 10,812.12 = 2,013.92 : x
  2. Step 2: Convert to fraction form
    7,208.06/10,812.12 = 2,013.92/x
  3. Step 3: Cross multiply
    7,208.06x = 10,812.12 × 2,013.92
  4. Step 4: Simplify right side
    7,208.06x = 21,774,744.71
  5. Step 5: Solve for x
    x = 21,774,744.71/7,208.06
  6. Step 6: Final answer
    x = 3,020.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.